A Sparks Middle School student is comforted as he cries after being released from Agnes Risley Elementary School, where some students were evacuated to after a shooting, in Sparks, Nev., on Oct. 21, 2013. Although still relatively rare, there's been no real reduction in the number of school shootings since security was beefed up around the country after the rampage at Connecticut's Sandy Hook Elementary School in December 2012.
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